1.

Three charges \[2q,\,-q,\,-q\] are located at the vertices of an equilateral triangle. At the centre of the triangle [MP PET 1985; J & K CET 2004]

A.                    The field is zero but potential is non-zero
B.                    The field is non-zero but potential is zero
C.                    Both field and potential are zero
D.                    Both field and potential are non-zero
Answer» C.                    Both field and potential are zero


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